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Oldest white dwarf star catches amateur's eye – and its dusty ring leaves boffins baffled
mercredi 20 février 2019, 07:11 , par TheRegister
J0207 is estimated to be a mere three-billion years old and just 145 light years away
Pic An amateur astronomer has discovered the oldest-known white dwarf star, sitting 145 light years away from Earth in the Capricornus constellation.…
go.theregister.com/feed/www.theregister.co.uk/2019/02/20/oldest_white_dwarf/
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ven. 22 nov. - 21:07 CET
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